Gen. Amir Ali Hajizadeh, the head of the Guards' aerospace division, said the warning is part of a new defense strategy to counter what he described as an increase in threats from the U.S. and Israel.

Tensions have been rising between Iran and the West since the release of a report earlier this month by the International Atomic Energy Agency that said for the first time that Tehran was suspected of conducting secret experiments whose sole purpose was the development of nuclear arms.